Home / 42,191.78-63,288.24-11,027

Finding the Fourth Proportional to 42,191.78, 63,288.24 and 11,027

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Solution

The fourth proportional to 42,191.78, 63,288.24 and 11,027 is: 16,540.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,191.78 : 63,288.24 = 11,027 : x
  2. Step 2: Convert to fraction form
    42,191.78/63,288.24 = 11,027/x
  3. Step 3: Cross multiply
    42,191.78x = 63,288.24 × 11,027
  4. Step 4: Simplify right side
    42,191.78x = 697,879,422.48
  5. Step 5: Solve for x
    x = 697,879,422.48/42,191.78
  6. Step 6: Final answer
    x = 16,540.65

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.